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1、虚拟语气 .概念: 虚拟语气是动词的一种特殊形式， 用来表达说话人的愿望，意图，建议，惊奇，设想等未能实现以及在说话人看来实现可能性很小的情况。 II.虚拟语气的特点： 虚拟语气表达的是与客观现实相反的观念。 III.虚拟语气的形式 非真实条件句 “should”类 “过去时及过去完成时态”类,By Ivan Fang,非真实条件句,注: 虚拟语气中助动词be一律用were，不用was,would do sth should/could/might,would have done sth should/could/might,would do sth should/could/might,If
2、 sb did sth,If sb had done sth,If sb did sth,should do sth,were to do sth,1.I dont have a car and Im not happy. 2.Im not a bird. I cant fly. 3.He doesnt take his teachers advice. He doesnt pass the exam. 4.It is raining. We wont go for a picnic.,表示与现在 事实相反,a) If I had a car, I would be very happy,b)
3、 I would be very happy if I had a car, but I dont have one.,a) If I were a bird, I could fly,b) I could fly if I were a bird, but I am not a bird, so I cant fly.,a) If he took his teachers advice, he might pass the exam.,b) He might pass the exam but he doesnt take his teachers advice and he doesnt
4、pass the exam,a) If it werent raining, we would go for a picnic.,b) We would go for a picnic but it is raining.,( )1.If my father _ here now, he _tell me what to do. A. were, would B were, will C is, would D is , will ( )2. If I _ a bee, I _ work much harder. A were, would B were, shall C had, will
5、D have, should ( )3. If I _ much money, I _ buy a house. A have, will B had, should C had, will D have, should ( )4. He _ learn more quickly if he _harder. A will, work B would, worked C would, work D will ,worked ( )5. If I _ you, I _ do that. A was, wouldnt B were, wouldnt C am , wont D were, wont
6、,A,A,B,B,B,Ex,1.I didnt know her telephone number and I didnt call her. 2.He didnt come ten minutes earlier. So he didnt see the famous film star. 3.I didnt take a taxi, for it is five minutes walk.,2.表示与过去 事实相反,a) If I had known her telephone number, I would have called her.,b)I would have called h
7、er but I_ her telephone number.,a) If he had come ten minutes earlier, he could have met that famous film star.,b) He could have met that famous film star but he _ ten minutes earlier.,c) I didnt know her telephone number, otherwise I _ her.,c) He didnt come ten minutes earlier otherwise he _ that f
8、amous film star.,didnt know,would have telephoned,didnt come,could have met,If it_ five minutes walk, I _ a taxi.,werent,would have taken,( )1.If you _ the doctors advice, you would have recognized already. A. followed B would follow C follow D had followed ( )2. If my lawyer_ _here last Saturday, h
9、e _me from going. A had been , would have prevented B had been, would prevent C were, would prevent D were, would have prevented ( )3.I _ if she _ me. A would have overslept , didnt call B would have overslept, hadnt called C overslept, hadnt called D would overslept, didnt call ( )4.- If he _, he _
10、that food. -Luckily he was sent to the hospital immediately. A was warned, would not take B had been warned, would not have taken C would be warned, had not taken D would have been warned, had not taken ( )5. She _ to the party if she _ invited. A would have gone, had been B would go , was C would h
11、ave gone, was D has gone,D,A,B,B,A,1.Im not twenty years old, so I wont take the computer course. 2.I wont do so. Of course he wont feel surprised. 3-.He says he will not come. -If he _, what _we _ (do) ?,3.表示与将来 事实相反,If I were twenty years old, I would take the course of computer science.,I would t
12、ake the computer course but I am not twenty years old.,If I did so, she would feel very surprised should do were to do,She would feel very surprised if I did/should do/were to do that, but I wont do that, so she will not feel surprised.,should come,would do,Ex. ( )1) Its probable that it wont rain t
13、omorrow. But if it _, I would still go to the park. A should rain B would rain C rains D had rained ( )2.I dont think that I shall fail. But if I _, I would try again. A should fail B would fail C failed D had failed ( )3. _ tomorrow, what should we do? A If it rains B. Should it rain C. Would it ra
14、in D. Were it raining 注：书面语中“if”虚拟语气倒装形式的使用： 如果“if”从句中含有 “were, had ”或“should ”时, 则可省 略连词“if ”，而把“were, had ” 或“should” 移至主语之前。 eg：1) Were I you (=If I were you ), I would . 2) Had they not come last time (=If they had not come last time), we would have done. 3) Should it rain tomorrow (= If it shou
15、ld rain tomorrow), she would ,A,A,B,A) suggest (建议) that sb (should )do sth insist order command require request demand prefer,1)The teacher suggested we (should )finish the work at the end of next week.,3) The officer ordered that the enemy (should ) be surrounded in the village before daylight.,2) His uncle insists that he (should ) go to the best- known university instead of some common ones.,B) Its suggested that sb (should) do sth ordered required demanded decided C) It is necessary / strange that sb (should) do sth important,
